1# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
2#
3# SPDX-License-Identifier: curl
4
5name: Hacktoberfest
6
7'on':
8  # this must not ever run on any other branch than master
9  push:
10    branches:
11      - master
12
13concurrency:
14  # this should not run in parallel, so just run one at a time
15  group: ${{ github.workflow }}
16
17permissions: {}
18
19jobs:
20  # add hacktoberfest-accepted label to PRs opened starting from September 30th
21  # till November 1st which are closed via commit reference from master branch.
22  merged:
23    runs-on: ubuntu-latest
24    permissions:
25      # requires issues AND pull-requests write permissions to edit labels on PRs!
26      issues: write
27      pull-requests: write
28    steps:
29      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4
30        with:
31          fetch-depth: 100
32
33      - name: Check whether repo participates in Hacktoberfest
34        run: |
35          gh config set prompt disabled && echo "label=$(
36            gh repo view --json repositoryTopics --jq '.repositoryTopics[].name' | grep '^hacktoberfest$')" >> $GITHUB_OUTPUT
37        id: check
38        env:
39          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
40
41      - name: Search relevant commit message lines starting with Closes/Merges
42        run: |
43          git log --format=email ${{ github.event.before }}..${{ github.event.after }} | \
44            grep -Ei "^Close[sd]? " | sort | uniq | tee log
45        if: steps.check.outputs.label == 'hacktoberfest'
46
47      - name: Search for Number-based PR references
48        run: |
49          grep -Eo "#([0-9]+)" log | cut -d# -f2 | sort | uniq | xargs -t -n1 -I{} \
50            gh pr view {} --json number,createdAt \
51              --jq '{number, opened: .createdAt} | [.number, .opened] | join(":")' | tee /dev/stderr | \
52            grep -Eo '^([0-9]+):[0-9]{4}-(09-30T|10-|11-01T)' | cut -d: -f1 | sort | uniq | xargs -t -n1 -I {} \
53              gh pr edit {} --add-label 'hacktoberfest-accepted'
54        if: steps.check.outputs.label == 'hacktoberfest'
55        env:
56          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
57
58      - name: Search for URL-based PR references
59        run: |
60          grep -Eo "github.com/(.+)/(.+)/pull/([0-9]+)" log | sort | uniq | xargs -t -n1 -I{} \
61            gh pr view "https://{}" --json number,createdAt \
62              --jq '{number, opened: .createdAt} | [.number, .opened] | join(":")' | tee /dev/stderr | \
63            grep -Eo '^([0-9]+):[0-9]{4}-(09-30T|10-|11-01T)' | cut -d: -f1 | sort | uniq | xargs -t -n1 -I {} \
64              gh pr edit {} --add-label 'hacktoberfest-accepted'
65        if: steps.check.outputs.label == 'hacktoberfest'
66        env:
67          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
68